FlushLookUpTableBucket

INT64 __fastcall FlushLookUpTableBucket(INT64 a1, UINT64 a2){
  __int64 v2; 
  _ETHREAD *CurrentThread; 
  unsigned __int64 v5; 
  KIRQL v6; 
  __int64 v7; 
  unsigned int v8; 
  char v9; 
  __int64 v10; 
  int SessionId; 
  bool v12; 
  EVENT_DESCRIPTOR *v13; 
  unsigned int v14; 
  unsigned int v15; 
  char v16; 
  _ETHREAD *v17; 
  char v18; 
  int v19; 
  __int64 v20; 
  unsigned __int64 v21; 
  int v22; 
  unsigned int v23; 
  __int64 v24; 
  __int64 v26; 
  int v27; 
  int v28; 
  int v29; 
  unsigned int v30; 
  v2 = (unsigned int)a2;
  if( !*(_QWORD *)(a1 + 8i64 * (unsigned int)a2) )
    return 0i64;
  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v5 = a1 + 272;
  v30 = 0;
  v6 = 0;
  --*((_WORD *)CurrentThread + 243);
  if( ++*((_BYTE *)CurrentThread + 794) != 1 )
    KeBugCheckEx(0x192u, (ULONG_PTR)CurrentThread, a1 + 272, KeGetCurrentIrql(), 0i64);
  LOBYTE(v7) = *((_BYTE *)CurrentThread + 792);
  v8 = -1;
  v29 = 0;
  if( !(_BYTE)v7 )
  {
    if( !*((_BYTE *)CurrentThread + 870) )
    {
      v10 = 0i64;
      goto LABEL_41;
    }
    v26 = *((unsigned __int8 *)CurrentThread + 870);
    *((_BYTE *)CurrentThread + 870) = 0;
    LOBYTE(v7) = v26 | *((_BYTE *)CurrentThread + 792);
  }
  v9 = v7;
  _BitScanForward((unsigned int *)&v7, (unsigned __int8)v7);
  v29 = v7;
  *((_BYTE *)CurrentThread + 792) = v9 & ~(1 << v7);
  v10 = *((_QWORD *)CurrentThread + 100) + 96 * v7;
  if( !v10 )
  {
LABEL_41:
    _interlockedbittestandset((volatile signed __int32 *)CurrentThread + 30, 0x10u);
    goto LABEL_9;
  }
  if( v5 >= 0xFFFF800000000000ui64 && *((_BYTE *)&antNameB + ((v5 >> 39) & 0x1FF) - 256) == 1 )
    SessionId = MmGetSessionIdEx(*((_QWORD *)CurrentThread + 23));
  else
    SessionId = -1;
  *(_DWORD *)(v10 + 40) = SessionId;
  *(_QWORD *)(v10 + 32) = v5 & 0x7FFFFFFFFFFFFFFCi64;
LABEL_9:
  --*((_BYTE *)CurrentThread + 794);
  KiAbThreadRemoveBoosts((ULONG_PTR)CurrentThread, v5, &v30);
  v12 = (*((_WORD *)CurrentThread + 243))++ == 0xFFFF;
  if( v12 && *((_ETHREAD **)CurrentThread + 19) != (_ETHREAD *)((char *)CurrentThread + 152) )
    KiCheckForKernelApcDelivery();
  if( _interlockedbittestandset64((volatile signed __int32 *)v5, 0i64) )
    ExfAcquirePushLockExclusiveEx((UINT64 *)v5, (VOID *)v10, (VOID *)v5);
  if( v10 )
    *(_BYTE *)(v10 + 26) |= 1u;
  if( !*(_BYTE *)(a1 + 373) )
    v6 = ExAcquireSpinLockExclusive((PEX_SPIN_LOCK)(a1 + 280));
  v13 = *(EVENT_DESCRIPTOR **)(a1 + 8 * v2);
  *(_QWORD *)(a1 + 8 * v2) = 0i64;
  v14 = FlattenEventEntryTree((INT64)v13);
  *(_DWORD *)(a1 + 256) -= v14;
  v15 = v14;
  if( !*(_BYTE *)(a1 + 373) )
  {
    ExReleaseSpinLockExclusiveFromDpcLevel((INT64 *)(a1 + 280));
    __writecr8(v6);
  }
  v16 = _InterlockedExchangeAdd64((volatile signed __int64 *)v5, 0xFFFFFFFFFFFFFFFFui64);
  if( (v16 & 2) != 0 && (v16 & 4) == 0 )
    ExfTryToWakePushLock((volatile INT64 *)v5);
  v27 = 0;
  v17 = (_ETHREAD *)KeGetCurrentThread();
  if( (unsigned int)MiGetSystemRegionType(v5) == 1 )
    v8 = MmGetSessionIdEx(*((_QWORD *)v17 + 23));
  --*((_WORD *)v17 + 243);
  v18 = ++*((_BYTE *)v17 + 794);
  v19 = (*((char *)v17 + 792) | *((char *)v17 + 870)) ^ 0x3F;
  while( 1 )
  {
    v12 = !_BitScanReverse((unsigned int *)&v20, v19);
    v28 = v20;
    if( v12 )
      break;
    v21 = *((_QWORD *)v17 + 100) + 96 * v20;
    v19 &= ~(1 << v20);
    if( (*(_BYTE *)(v21 + 26) & 1) != 0
      && (*(_DWORD *)(v21 + 32) & 1) == 0
      && (*(_QWORD *)(v21 + 32) & 0x7FFFFFFFFFFFFFFCi64) == (v5 & 0x7FFFFFFFFFFFFFFCi64)
      && *(_DWORD *)(v21 + 40) == v8 )
    {
      *(_BYTE *)(v21 + 26) &= ~1u;
      if( *(_QWORD *)(v21 + 32) )
      {
        if( v21 )
        {
          *(_BYTE *)(v21 + 32) |= 2u;
          if( *(__int64 *)(v21 + 32) < 0 )
            KiAbEntryRemoveFromTree(v21);
          v22 = *(_DWORD *)(v21 + 88) & 0x1FFFF;
          v23 = *(_DWORD *)(v21 + 88) & 0xFFFE0000;
          *(_BYTE *)(v21 + 25) &= ~1u;
          v27 = v22;
          *(_DWORD *)(v21 + 88) = v23;
          *(_QWORD *)(v21 + 32) = 0i64;
          v24 = (__int64)(v21 - *((_QWORD *)v17 + 100)) / 96;
          if( v18 == 1 )
            *((_BYTE *)v17 + 792) |= 1 << v24;
          else
            _InterlockedOr8((volatile signed __int8 *)v17 + 870, 1 << v24);
          goto LABEL_35;
        }
        break;
      }
    }
  }
  if( (*((_DWORD *)v17 + 30) & 0x10000) == 0 )
    KeBugCheckEx(0x162u, (ULONG_PTR)v17, v5, v8, 0i64);
LABEL_35:
  --*((_BYTE *)v17 + 794);
  KiAbThreadRemoveBoosts((ULONG_PTR)v17, v5, (unsigned int *)&v27);
  v12 = (*((_WORD *)v17 + 243))++ == 0xFFFF;
  if( v12 && *((_ETHREAD **)v17 + 19) != (_ETHREAD *)((char *)v17 + 152) )
    KiCheckForKernelApcDelivery();
  FlushEventEntryList(*(_QWORD *)(*(_QWORD *)(a1 + 344) + 32i64), v13);
  return v15;
}

Referenced by: